Home / 91,247,283.68-125,879,042-80,803,942.88

Finding the Fourth Proportional to 91,247,283.68, 125,879,042 and 80,803,942.88

Calculator

Solution

The fourth proportional to 91,247,283.68, 125,879,042 and 80,803,942.88 is: 111,472,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,247,283.68 : 125,879,042 = 80,803,942.88 : x
  2. Step 2: Convert to fraction form
    91,247,283.68/125,879,042 = 80,803,942.88/x
  3. Step 3: Cross multiply
    91,247,283.68x = 125,879,042 × 80,803,942.88
  4. Step 4: Simplify right side
    91,247,283.68x = 10,171,522,919,557,120
  5. Step 5: Solve for x
    x = 10,171,522,919,557,120/91,247,283.68
  6. Step 6: Final answer
    x = 111,472,062.61

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.